Bump isort from 5.6.1 to 5.6.3

[dependabot[bot]]

⚠️ Dependabot is rebasing this PR ⚠️

If you make any changes to it yourself then they will take precedence over the rebase.

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Bumps isort from 5.6.1 to 5.6.3.

Release notes

Sourced from isort's releases.

5.6.3 October 11, 2020

• Improved packaging of test files alongside source distribution (see: PyCQA/isort#1555).

5.6.2 October 10, 2020

• Fixed #1548: On rare occasions an unecessary empty line can be added when an import is marked as skipped.
• Fixed #1542: Bug in VERTICAL_PREFIX_FROM_MODULE_IMPORT wrap mode.
• Fixed #1552: Pylama test dependent on source layout.

Changelog

Sourced from isort's changelog.

5.6.3 October 11, 2020

• Improved packaging of test files alongside source distribution (see: PyCQA/isort#1555).

5.6.2 October 10, 2020

• Fixed #1548: On rare occasions an unecessary empty line can be added when an import is marked as skipped.
• Fixed #1542: Bug in VERTICAL_PREFIX_FROM_MODULE_IMPORT wrap mode.
• Fixed #1552: Pylama test dependent on source layout.

Goal Zero: (Tickets related to aspirational goal of achieving 0 regressions for remaining 5.0.0 lifespan):

• Zope added to integration test suite
• Additional testing of CLI (simulate unseekable streams)

Commits

• 491b346 Bump version to 5.6.3
• 383f323 Update changelog to include source distribution improvement
• b662f44 Add James Curtin (@jamescurtin) to acknowledgements
• fb0cdf7 Merge pull request #1555 from sbraz/tests
• 66d6345 Specify minimum build system
• d929358 Prevent installation of the "tests" package
• c241234 Resolve linting errors
• 59dda8d Formatting
• 6633e69 Add release date
• 6183006 Bump version to 5.6.2
• Additional commits viewable in compare view

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